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Spinel black pigments based on copper-chromium-manganese mixed oxides, a process for their preparation and their use
Spinel black pigments based on copper-chromium-manganese mixed oxides, a process for their preparation and their use
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机译：基于铜铬锰混合氧化物的尖晶石黑色颜料，其制备方法及其用途
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摘要
Spinel black pigments are prepared by annealing oxides, hydroxides or carbonates of copper, chromium and manganese and grinding the product. The manganese-yielding component is Mn.sub.3 O.sub.4.
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机译：尖晶石黑颜料是通过将铜，铬和锰的氧化物，氢氧化物或碳酸盐退火并研磨产品而制备的。产生锰的成分是Mn 3 O 4。
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